He ______ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
A.shouldn’t be B.can’t have finished
C.can’t be D.mustn’t have finished
Linda, together with her brothers, _______spending the holiday in Chile when the strong earthquake broke out.
A.was B.were C.is D.are
A survey of the opinions of experts _________ that three hours of outdoor exercise a week ________ good for one’s health.
A.show; are B.shows; is
C.show; is D.shows; are
—What do you think of the dinner in Mr. Brown’s?
—Oh, great! We have never had a better one. It’s a dinner of twenty _______.
A.drinks B.people C.tables D.courses
The history of _______ is full of achievements and adventures.
A.man B.men C.men’s D.the men
They had to do so much walking after their car broke down on the way to the village yesterday that their _______ are still aching now.
A.leg’s muscle B.legs’s muscle
C.leg muscles D.legs muscles